The Digital Versatile disc standard revolutionized digital storage, allowing over ten times the amount of data possible on a compact disc. Advances in the technology eventually brought about dual-layer capacity discs, increasing capacity from 4.7 gigabytes to 8.5GB. DVD burners and players use specific optics and techniques to read dual-layer discs, allowing longer movies to stay on one disc and allowing even more capacity for your photos and home movies. Writer Bio
